15 times with a remainder of 1 or 15.5 times
15 goes into 31 twice with a remainder of 1.
30
1
It goes into 121 15 times with a remainder of 1
98 ÷ 15 = 6.53 or 15 times with a remainder of 8.
(33 and 1/3) times
53 and 1/3 times
15 times, with remainder 1.
3
1
1